Auth bypass in Remotemouse Emote Remote Mouse

CVE-2021-27573

An issue was discovered in Emote Remote Mouse through 4.0.0.0. Remote unauthenticated users can execute arbitrary code via crafted UDP packets with no prior authorization or authentication.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.036 (89.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-27573: held from 0.036 to 0.036.

EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-27573?
CVE-2021-27573 is a critical-severity vulnerability in Remotemouse Emote Remote Mouse, classified under Missing Authorization. CVSS score: 9.8/10. Published 2021-05-07.
How severe is CVE-2021-27573?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-27573 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.